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dcd_edpt_xfer_fifo: use qtd_init if restriction not met.

This commit is contained in:
Mengsk 2021-09-09 16:45:18 +02:00
parent 16b802d50c
commit 283783c082
1 changed files with 14 additions and 6 deletions
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20
src/portable/nxp/transdimension/dcd_transdimension.c
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@ -494,7 +494,7 @@ bool dcd_edpt_xfer_fifo (uint8_t rhport, uint8_t ep_addr, tu_fifo_t * ff, uint16
tu_fifo_get_write_info(ff, &fifo_info);
}
if(total_bytes <= fifo_info.len_lin)
if (total_bytes <= fifo_info.len_lin)
{
// Limit transfer length to total_bytes
fifo_info.len_wrap = 0;
@ -508,12 +508,20 @@ bool dcd_edpt_xfer_fifo (uint8_t rhport, uint8_t ep_addr, tu_fifo_t * ff, uint16
// address to 32-byte boundaries.
// void* cast to suppress cast-align warning, buffer must be
CleanInvalidateDCache_by_Addr((uint32_t*) tu_align((uint32_t) fifo_info.ptr_lin, 4), fifo_info.len_lin + 31);
if (fifo_info.len_wrap > 0)
{
CleanInvalidateDCache_by_Addr((uint32_t*) tu_align((uint32_t) fifo_info.ptr_wrap, 4), fifo_info.len_wrap + 31);
}
//------------- Prepare qtd -------------//
qtd_init_fifo(p_qtd, &fifo_info, total_bytes);
// In case of : wrapped part is present & buffer is aligned to 4k & buffer size is multiple of 4k
if (total_bytes > fifo_info.len_lin && (uint32_t)fifo_info.ptr_wrap == tu_align4k((uint32_t)fifo_info.ptr_wrap) && tu_fifo_depth(ff) == tu_align4k(tu_fifo_depth(ff)))
{
CleanInvalidateDCache_by_Addr((uint32_t*) tu_align((uint32_t) fifo_info.ptr_wrap, 4), fifo_info.len_wrap + 31);
qtd_init_fifo(p_qtd, &fifo_info, total_bytes);
}
else
{
qtd_init(p_qtd, fifo_info.ptr_lin, total_bytes);
}
p_qtd->int_on_complete = true;
p_qhd->qtd_overlay.next = (uint32_t) p_qtd; // link qtd to qhd
p_qhd->ff = ff;